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> Trust our People.Trust our Data. Billings,MT 800.735.4489•Casper,WY 888.235.0515 <br /> r www.energylab.com Gillette.WY 866.686.7175•Helena,MT 877.472.0711 <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper, WY Branch <br /> Client: Energy Fuels Resources (USA) Inc Report Date: 08/06/19 <br /> Project: Whirlwind Mine Collection Date: 06/25/19 09:20 <br /> Lab ID: C19060940-001 DateReceived: 06/27/19 <br /> Client Sample ID: DP Spring Matrix: Aqueous <br /> MCU <br /> Analyses Result Units Qualifiers RL QCL Method Analysis Date/By <br /> METALS, DISSOLVED <br /> Zinc ND mg/L 0.01 E200.8 07/05/19 01:09/eli-b <br /> RADIONUCLIDES,TOTAL <br /> Radium 226 0.5 pCi/L E903.0 08/05/19 13:27/ajl <br /> Radium 226 precision(t) 0.2 pCi/L E903.0 08/05/19 13:27/ajl <br /> Radium 226 MDC 0.1 pCi/L E903.0 08/05/19 13:27/ajl <br /> Radium 228 -0.2 pCi/L U RA-05 07/31/19 15:16/plj <br /> Radium 228 precision(t) 0.9 pCi/L RA-05 07/31/19 15:16/plj <br /> Radium 228 MDC 1.5 pCi/L RA-05 07/31/19 15:16/plj <br /> DATA QUALITY <br /> Solids,Total Dissolved-Calculated 340 mg/L A1030 E 07/11/19 16:47/may <br /> A/C Balance -0.28 % A1030 E 07/11/19 16:47/may <br /> Anions 6.28 meq/L A1030 E 07/11/19 16:47/may <br /> Cations 6.24 meq/L A1030 E 07/11/19 16:47/may <br /> Report RL-Analyte reporting limit. MCL-Maximum contaminant level. <br /> Definitions: QCL-Quality control limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration U-Not detected at minimum detectable concentration <br /> Page 4 of 35 <br />